Every words stands for unique digit that makes the arithmetic equation true

SEVEN + SEVEN + SIX = TWENTY.

What are the digits ?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

What's a single-digit number with no value?

What has to be broken before you can use it?

Find the next number in the sequence

1, 2, 6, 21, 88, __?

In the image below, you can see two glasses and two matchsticks.You need to move four matchsticks in such a manner that the crosses come inside the glasses. Note: you cannot move the crossed.

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

Solve this riddle by finding the odd one out from the rest.

Five thieves looted a bank and they ran away in a car. The bank staff informed the police and they began the search of their car in their jeep. They found them on a road and chased them eventually catching them. The light that is used to fill the number plate was broken on the thieves' car. Also, the headlights of the jeep police were not working. How were the police able to catch the thieves then?

Can you find the thief by just looking at the picture below?